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Thailand

Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-03-02 05:57:20

Command Arguments

Time of First Successful Submission: 2026-03-02 06:24:40

Command History

Time of First Successful Submission: 2026-03-02 06:25:30

The Root Path

Time of First Successful Submission: 2026-03-02 07:22:04

Absolute Paths

Time of First Successful Submission: 2026-03-02 07:28:13

Changing position

Time of First Successful Submission: 2026-03-02 07:40:44

Changing to an Absolute Path

Time of First Successful Submission: 2026-03-02 07:42:51

Relative Paths

Time of First Successful Submission: 2026-03-02 07:46:02

Cat

Time of First Successful Submission: 2026-03-02 16:42:54

Ls

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Ls All

Time of First Successful Submission: 2026-03-02 17:27:58

Find

Time of First Successful Submission: 2026-03-02 17:44:25

Piping Echo

Time of First Successful Submission: 2026-03-04 06:17:21

Piping Stdout

Time of First Successful Submission: 2026-03-04 06:41:05

Piping Stdin

Time of First Successful Submission: 2026-03-04 08:03:05

Start Here

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Using the Terminal

Time of First Successful Submission: 2026-03-01 11:30:13

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-01 11:46:34

Using the GUI Desktop

Time of First Successful Submission: 2026-03-01 11:57:53

Pasting into the Desktop

Time of First Successful Submission: 2026-03-01 12:01:41

Restarting Challenges

Time of First Successful Submission: 2026-03-01 12:41:30

Challenge Programs

Time of First Successful Submission: 2026-03-01 12:56:30

The Flag File

Time of First Successful Submission: 2026-03-01 13:36:26

Using Privileged Mode

Time of First Successful Submission: 2026-03-01 14:05:59

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-01 14:18:17

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-01 14:29:36

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-03-02 05:57:20

Intro to Arguments

Time of First Successful Submission: 2026-03-02 06:24:40

Command History

Time of First Successful Submission: 2026-03-02 06:25:30

The Root

Time of First Successful Submission: 2026-03-02 07:22:04

Program and absolute paths

Time of First Successful Submission: 2026-03-02 07:28:13

Position thy self

Time of First Successful Submission: 2026-03-02 07:40:44

Position elsewhere

Time of First Successful Submission: 2026-03-02 07:42:51

implicit relative paths, from /

Time of First Successful Submission: 2026-03-02 07:46:02

explicit relative paths, from /

Time of First Successful Submission: 2026-03-02 07:48:38

implicit relative path

Time of First Successful Submission: 2026-03-02 07:54:44

home sweet home

Time of First Successful Submission: 2026-03-02 08:14:14

cat: not the pet, but the command!

Time of First Successful Submission: 2026-03-02 16:42:54

catting absolute paths

Time of First Successful Submission: 2026-03-02 16:44:08

more catting practice

Time of First Successful Submission: 2026-03-02 16:46:49

grepping for a needle in a haystack

Time of First Successful Submission: 2026-03-02 16:48:46

comparing files

Time of First Successful Submission: 2026-03-02 16:56:02

listing files

Time of First Successful Submission: 2026-03-02 17:03:27

touching files

Time of First Successful Submission: 2026-03-02 17:09:01

removing files

Time of First Successful Submission: 2026-03-02 17:12:17

moving files

Time of First Successful Submission: 2026-03-02 17:14:42

copying files

Time of First Successful Submission: 2026-03-02 17:16:23

hidden files

Time of First Successful Submission: 2026-03-02 17:27:58

An Epic Filesystem Quest

Time of First Successful Submission: 2026-03-02 17:36:27

making directories

Time of First Successful Submission: 2026-03-02 17:39:34

finding files

Time of First Successful Submission: 2026-03-02 17:44:25

linking files

Time of First Successful Submission: 2026-03-03 04:54:18

Learning From Documentation

Time of First Successful Submission: 2026-03-03 05:04:11

Learning Complex Usage

Time of First Successful Submission: 2026-03-03 05:25:31

Reading Manuals

Time of First Successful Submission: 2026-03-03 06:05:40

Searching Manuals

Time of First Successful Submission: 2026-03-03 06:31:30

Searching For Manuals

Time of First Successful Submission: 2026-03-03 07:58:27

Helpful Programs

Time of First Successful Submission: 2026-03-03 08:07:09

Help for Builtins

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Matching with *

Time of First Successful Submission: 2026-03-03 09:37:28

Matching with ?

Time of First Successful Submission: 2026-03-03 09:46:39

Matching with []

Time of First Successful Submission: 2026-03-03 09:52:09

Matching paths with []

Time of First Successful Submission: 2026-03-03 10:14:17

Multiple globs

Time of First Successful Submission: 2026-03-03 10:24:03

Mixing globs

Time of First Successful Submission: 2026-03-03 10:30:16

Exclusionary globbing

Time of First Successful Submission: 2026-03-03 10:41:16

Tab completion

Time of First Successful Submission: 2026-03-03 10:52:40

Multiple options for tab completion

Time of First Successful Submission: 2026-03-03 11:00:49

Tab completion on commands

Time of First Successful Submission: 2026-03-03 11:15:22

Redirecting output

Time of First Successful Submission: 2026-03-04 06:17:21

Redirecting more output

Time of First Successful Submission: 2026-03-04 06:41:05

Appending output

Time of First Successful Submission: 2026-03-04 06:55:25

Redirecting errors

Time of First Successful Submission: 2026-03-04 07:43:02

Redirecting input

Time of First Successful Submission: 2026-03-04 08:03:05

Grepping stored results

Time of First Successful Submission: 2026-03-04 09:05:14

Grepping live output

Time of First Successful Submission: 2026-03-04 09:06:41

Grepping errors

Time of First Successful Submission: 2026-03-04 09:34:17

Filtering with grep -v

Time of First Successful Submission: 2026-03-04 09:38:09

Filtering with sed

Time of First Successful Submission: 2026-03-04 09:43:38

Duplicating piped data with tee

Time of First Successful Submission: 2026-03-04 10:03:38

Process substitution for input

Time of First Successful Submission: 2026-03-04 12:14:44

Writing to multiple programs

Time of First Successful Submission: 2026-03-04 12:39:01

Split-piping stderr and stdout

Time of First Successful Submission: 2026-03-04 13:28:48

Named pipes

Time of First Successful Submission: 2026-03-04 14:01:12

Printing Variables

Time of First Successful Submission: 2026-03-04 14:57:00

Setting Variables

Time of First Successful Submission: 2026-03-05 03:14:00

Multi-word Variables

Time of First Successful Submission: 2026-03-05 03:31:12

Exporting Variables

Time of First Successful Submission: 2026-03-05 03:49:00

Printing Exported Variables

Time of First Successful Submission: 2026-03-05 03:50:06

Storing Command Output

Time of First Successful Submission: 2026-03-05 04:06:21

Reading Input

Time of First Successful Submission: 2026-03-05 04:39:16

Reading Files

Time of First Successful Submission: 2026-03-05 06:00:45

Translating characters

Time of First Successful Submission: 2026-03-05 07:49:51

Deleting characters

Time of First Successful Submission: 2026-03-05 07:55:09

Deleting newlines

Time of First Successful Submission: 2026-03-05 08:09:09

Extracting the first lines with head

Time of First Successful Submission: 2026-03-05 08:11:47

Extracting specific sections of text

Time of First Successful Submission: 2026-03-05 08:55:16

Sorting data

Time of First Successful Submission: 2026-03-05 09:03:29

Listing Processes

Time of First Successful Submission: 2026-03-05 13:09:06

Killing Processes

Time of First Successful Submission: 2026-03-05 13:30:15

Interrupting Processes

Time of First Successful Submission: 2026-03-05 13:45:18

Killing Misbehaving Processes

Time of First Successful Submission: 2026-03-05 14:21:06

Suspending Processes

Time of First Successful Submission: 2026-03-05 14:30:50

Resuming Processes

Time of First Successful Submission: 2026-03-05 14:35:37

Backgrounding Processes

Time of First Successful Submission: 2026-03-05 14:51:59

Foregrounding Processes

Time of First Successful Submission: 2026-03-05 14:59:56

Starting Backgrounded Processes

Time of First Successful Submission: 2026-03-05 15:30:03

Process Exit Codes

Time of First Successful Submission: 2026-03-05 15:34:53

Becoming root with su

Time of First Successful Submission: 2026-03-06 16:09:25

Other users with su

Time of First Successful Submission: 2026-03-06 16:14:07

Cracking passwords

Time of First Successful Submission: 2026-03-06 17:03:10

Using sudo

Time of First Successful Submission: 2026-03-07 04:12:04

Changing File Ownership

Time of First Successful Submission: 2026-03-07 16:04:06

Groups and Files

Time of First Successful Submission: 2026-03-07 16:21:51

Fun With Groups Names

Time of First Successful Submission: 2026-03-07 16:28:53

Changing Permissions

Time of First Successful Submission: 2026-03-07 16:43:39

Executable Files

Time of First Successful Submission: 2026-03-08 07:27:42

Permission Tweaking Practice

Time of First Successful Submission: 2026-03-08 07:52:04

Permissions Setting Practice

Time of First Successful Submission: 2026-03-08 08:19:16

The SUID Bit

Time of First Successful Submission: 2026-03-08 08:47:20

Chaining with Semicolons

Time of First Successful Submission: 2026-03-08 09:12:30

Building on Success

Time of First Successful Submission: 2026-03-08 09:21:22

Handling Failure

Time of First Successful Submission: 2026-03-08 09:27:38

Your First Shell Script

Time of First Successful Submission: 2026-03-08 09:39:13

Redirecting Script Output

Time of First Successful Submission: 2026-03-08 10:03:52

Executable Shell Scripts

Time of First Successful Submission: 2026-03-08 10:15:34

Understanding Shebangs

Time of First Successful Submission: 2026-03-08 12:22:58

Scripting with Arguments

Time of First Successful Submission: 2026-03-08 11:46:31

Scripting with Conditionals

Time of First Successful Submission: 2026-03-08 12:21:37

Scripting with Default Cases

Time of First Successful Submission: 2026-03-08 12:42:16

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-03-08 12:48:00

Reading Shell Scripts

Time of First Successful Submission: 2026-03-08 12:50:16

Launching Screen

Time of First Successful Submission: 2026-03-09 09:28:29

Detaching and Attaching

Time of First Successful Submission: 2026-03-09 11:21:19

Finding Sessions

Time of First Successful Submission: 2026-03-09 11:38:18

Switching Windows

Time of First Successful Submission: 2026-03-09 11:54:28

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-03-09 12:15:52

Switching Windows (tmux)

Time of First Successful Submission: 2026-03-09 12:23:26

The PATH Variable

Time of First Successful Submission: 2026-03-09 13:32:34

Setting PATH

Time of First Successful Submission: 2026-03-09 13:47:11

Finding Commands

Time of First Successful Submission: 2026-03-10 06:44:34

Adding Commands

Time of First Successful Submission: 2026-03-10 07:26:40

Hijacking Commands

Time of First Successful Submission: 2026-03-10 07:42:51

Bashrc Backdoor

Time of First Successful Submission: 2026-03-10 11:52:24

Sniffing Input

Time of First Successful Submission: 2026-03-10 13:15:05

Overshared Directories

Time of First Successful Submission: 2026-03-10 14:34:14

Tricky Linking

Time of First Successful Submission: 2026-03-11 16:40:46

Sniffing Process Arguments

Time of First Successful Submission: 2026-03-12 12:26:22

Snooping on Configurations

Time of First Successful Submission: 2026-03-12 13:06:26

The Fork Bomb

Time of First Successful Submission: 2026-03-12 16:28:39

Disk-Space Doomsday

Time of First Successful Submission: 2026-03-12 16:51:02

rm -rf /

Time of First Successful Submission: 2026-03-12 17:10:07

Life after rm -rf /

Time of First Successful Submission: 2026-03-12 17:23:07

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-03-12 17:33:13

Computing 101

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Your First Register

Time of First Successful Submission: 2026-03-13 13:38:37

Your First Syscall

Time of First Successful Submission: 2026-03-13 14:17:47

Exit Codes

Time of First Successful Submission: 2026-03-14 07:51:00

Building Executables

Time of First Successful Submission: 2026-03-14 08:25:46

Moving Between Registers

Time of First Successful Submission: 2026-03-14 09:41:59

Loading From Memory

Time of First Successful Submission: 2026-03-15 09:49:06

More Loading Practice

Time of First Successful Submission: 2026-03-15 09:56:18

Dereferencing Pointers

Time of First Successful Submission: 2026-03-15 10:01:09

Dereferencing Yourself

Time of First Successful Submission: 2026-03-15 10:09:39

Dereferencing with Offsets

Time of First Successful Submission: 2026-03-15 10:13:39

Stored Addresses

Time of First Successful Submission: 2026-03-15 10:18:04

Double Dereference

Time of First Successful Submission: 2026-03-15 10:25:38

The Stack

Time of First Successful Submission: 2026-03-15 10:39:52

Stack Offsets

Time of First Successful Submission: 2026-03-15 10:45:38

Program Arguments on the Stack

Time of First Successful Submission: 2026-03-15 10:54:54

Popping From the Stack

Time of First Successful Submission: 2026-03-15 11:07:14

Disassembling Programs

Time of First Successful Submission: 2026-03-16 07:59:19

Tracing Syscalls

Time of First Successful Submission: 2026-03-16 08:15:59

Starting GDB

Time of First Successful Submission: 2026-03-16 08:28:36

Quitting GDB

Time of First Successful Submission: 2026-03-16 08:29:23

Starting Programs in GDB

Time of First Successful Submission: 2026-03-16 08:31:42

Disassembling in GDB

Time of First Successful Submission: 2026-03-16 08:33:58

Stepping Through Instructions

Time of First Successful Submission: 2026-03-16 09:58:39

Reading Register Values

Time of First Successful Submission: 2026-03-16 10:03:59

Popping Stack Values

Time of First Successful Submission: 2026-03-16 12:02:11

Examining Memory

Time of First Successful Submission: 2026-03-16 12:16:51

Examining Stack Pointers

Time of First Successful Submission: 2026-03-16 12:31:54

Cooperative Debugging

Time of First Successful Submission: 2026-03-16 13:04:04

Writing Output

Time of First Successful Submission: 2026-03-17 12:28:54

Chaining Syscalls

Time of First Successful Submission: 2026-03-17 12:38:09

Writing Strings

Time of First Successful Submission: 2026-03-17 12:41:18

Reading Data

Time of First Successful Submission: 2026-03-19 09:45:53

Opening Files

Time of First Successful Submission: 2026-03-19 10:15:26

Hardcoding the Filename

Time of First Successful Submission: 2026-03-19 11:01:59

Comparing Values

Time of First Successful Submission: 2026-03-21 10:15:41

Comparing Characters

Time of First Successful Submission: 2026-03-21 11:17:24

Conditional Control Flow

Time of First Successful Submission: 2026-03-21 11:29:32

Comparing Strings

Time of First Successful Submission: 2026-03-21 11:44:07

Reverse the Password

Time of First Successful Submission: 2026-03-21 11:52:03

Conditionals Without Conditionals

Time of First Successful Submission: 2026-03-21 12:28:33

Looping

Time of First Successful Submission: 2026-03-22 11:41:26

Reverse the Calculation

Time of First Successful Submission: 2026-03-22 14:17:46

Reverse the Reverse

Time of First Successful Submission: 2026-03-23 13:40:12

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-03-23 14:00:22

Loops on Data

Time of First Successful Submission: 2026-03-24 06:20:49

set-register

Time of First Successful Submission: 2026-03-29 15:29:21

set-multiple-registers

Time of First Successful Submission: 2026-03-29 15:59:48

add-to-register

Time of First Successful Submission: 2026-03-29 16:11:48

linear-equation-registers

Time of First Successful Submission: 2026-03-29 17:31:12

integer-division

Time of First Successful Submission: 2026-03-30 06:50:45

modulo-operation

Time of First Successful Submission: 2026-03-30 07:01:15

set-upper-byte

Time of First Successful Submission: 2026-03-30 07:43:19

efficient-modulo

Time of First Successful Submission: 2026-03-30 08:19:48

byte-extraction

Time of First Successful Submission: 2026-03-30 10:11:04

bitwise-and

Time of First Successful Submission: 2026-03-30 10:41:50

check-even

Time of First Successful Submission: 2026-03-30 11:21:56

memory-read

Time of First Successful Submission: 2026-03-31 12:20:04

memory-write

Time of First Successful Submission: 2026-03-31 12:29:35

memory-increment

Time of First Successful Submission: 2026-03-31 13:21:35

byte-access

Time of First Successful Submission: 2026-04-03 06:26:57

memory-size-access

Time of First Successful Submission: 2026-04-03 12:46:39

little-endian-write

Time of First Successful Submission: 2026-04-03 13:58:12

memory-sum

Time of First Successful Submission: 2026-04-03 18:13:18

stack-subtraction

Time of First Successful Submission: 2026-04-04 06:33:42

swap-stack-values

Time of First Successful Submission: 2026-04-04 06:49:30

average-stack-values

Time of First Successful Submission: 2026-04-04 07:13:09

absolute-jump

Time of First Successful Submission: 2026-04-04 07:45:57

GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-03-01 11:30:13

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-01 11:46:34

Using the GUI Desktop

Time of First Successful Submission: 2026-03-01 11:57:53

Pasting into the Desktop

Time of First Successful Submission: 2026-03-01 12:01:41

Connecting over SSH

Time of First Successful Submission: 2026-03-01 12:12:01

Restarting Challenges

Time of First Successful Submission: 2026-03-01 12:41:30

Getting Help

Time of First Successful Submission: 2026-03-01 12:50:21

Challenge Programs

Time of First Successful Submission: 2026-03-01 12:56:30

The Flag File

Time of First Successful Submission: 2026-03-01 13:36:26

Using Privileged Mode

Time of First Successful Submission: 2026-03-01 14:05:59

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-01 14:18:17

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-01 14:29:36